CRYPTOGAiMIA ALG.^. 821 



..,•. , are nearly entire on the edges in the Spring, 

 but crenated in the Summer. 

 The fhields are of the lame colour and fubftance 

 as ths leaves while moift, but reddifh when 

 dry, as we obferv'd in Dillcmus\ fpeqimens, 

 having fmall grains or tubercles on their mar- 

 gins. The fame kind of tubercles arc alfo 

 ,. . found in plenty upon the leaves, which give 

 them a crifpcd appearance. 

 Other fpccimens have granulated leaves only, and 

 produce no Ihields. 



irijiatus 1>. imbricatus, foliis dentato-ciliatis, fcutellis folio 

 33. majoribus. *V^. /)/. 1610. (Dillen. mufc. t. 19./* 



26. A.C.) 

 Crefted Jelly Lichen. An^lii. 

 At the bafe of walls and rocks, and in Ihady 



ftoney places. . , 



The leaves lie imbricated upon one another, of a 

 green blue or glaucous colour when moift, lead- 

 colour'd when dry. They are fomewhat thick, 

 and fucculent when frefh, are plain, and divided 

 into many (hort lobes at the extremities, having 

 ciliated dents on the edges, and fometimes fim- 

 ,;. . '. pic dents, without cilia. 



The fhields grow upon the furfacc of the leaves, 



a:-:; near their bafe, appearing at firft like tubercles, 



which afterward* dilate, become large, and al- 



moft flat, of a reddUh brown or chcfnut colour, 



their 



